| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_ |
| #define CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_ |
| |
| #include <map> |
| #include <string> |
| #include <vector> |
| |
| #include "base/strings/string16.h" |
| #include "base/time/time.h" |
| #include "build/build_config.h" |
| #include "content/common/content_export.h" |
| #include "net/nqe/effective_connection_type.h" |
| #include "third_party/blink/public/common/css/preferred_color_scheme.h" |
| #include "third_party/blink/public/mojom/v8_cache_options.mojom.h" |
| #include "ui/base/pointer/pointer_device.h" |
| #include "url/gurl.h" |
| |
| namespace blink { |
| class WebView; |
| } |
| |
| namespace content { |
| |
| // Map of ISO 15924 four-letter script code to font family. For example, |
| // "Arab" to "My Arabic Font". |
| typedef std::map<std::string, base::string16> ScriptFontFamilyMap; |
| |
| enum EditingBehavior { |
| EDITING_BEHAVIOR_MAC, |
| EDITING_BEHAVIOR_WIN, |
| EDITING_BEHAVIOR_UNIX, |
| EDITING_BEHAVIOR_ANDROID, |
| EDITING_BEHAVIOR_LAST = EDITING_BEHAVIOR_ANDROID |
| }; |
| |
| // ImageAnimationPolicy is used for controlling image animation |
| // when image frame is rendered for animation. |
| // See third_party/WebKit/Source/platform/graphics/ImageAnimationPolicy.h |
| // for information on the options. |
| enum ImageAnimationPolicy { |
| IMAGE_ANIMATION_POLICY_ALLOWED, |
| IMAGE_ANIMATION_POLICY_ANIMATION_ONCE, |
| IMAGE_ANIMATION_POLICY_NO_ANIMATION |
| }; |
| |
| enum class ViewportStyle { DEFAULT, MOBILE, TELEVISION, LAST = TELEVISION }; |
| |
| // Defines the autoplay policy to be used. Should match the class in |
| // WebSettings.h. |
| enum class AutoplayPolicy { |
| kNoUserGestureRequired, |
| kUserGestureRequired, |
| kDocumentUserActivationRequired, |
| }; |
| |
| // The ISO 15924 script code for undetermined script aka Common. It's the |
| // default used on WebKit's side to get/set a font setting when no script is |
| // specified. |
| CONTENT_EXPORT extern const char kCommonScript[]; |
| |
| // A struct for managing blink's settings. |
| // |
| // Adding new values to this class probably involves updating |
| // blink::WebSettings, content/common/view_messages.h, |
| // browser/profiles/profile.cc, and |
| // content/public/common/common_param_traits_macros.h |
| struct CONTENT_EXPORT WebPreferences { |
| ScriptFontFamilyMap standard_font_family_map; |
| ScriptFontFamilyMap fixed_font_family_map; |
| ScriptFontFamilyMap serif_font_family_map; |
| ScriptFontFamilyMap sans_serif_font_family_map; |
| ScriptFontFamilyMap cursive_font_family_map; |
| ScriptFontFamilyMap fantasy_font_family_map; |
| ScriptFontFamilyMap pictograph_font_family_map; |
| int default_font_size; |
| int default_fixed_font_size; |
| int minimum_font_size; |
| int minimum_logical_font_size; |
| std::string default_encoding; |
| bool context_menu_on_mouse_up; |
| bool javascript_enabled; |
| bool web_security_enabled; |
| bool loads_images_automatically; |
| bool images_enabled; |
| bool plugins_enabled; |
| bool dom_paste_enabled; |
| bool shrinks_standalone_images_to_fit; |
| bool text_areas_are_resizable; |
| bool allow_scripts_to_close_windows; |
| bool remote_fonts_enabled; |
| bool javascript_can_access_clipboard; |
| bool xslt_enabled; |
| bool xss_auditor_enabled; |
| // We don't use dns_prefetching_enabled to disable DNS prefetching. Instead, |
| // we disable the feature at a lower layer so that we catch non-WebKit uses |
| // of DNS prefetch as well. |
| bool dns_prefetching_enabled; |
| // Preference to save data. When enabled, requests will contain the header |
| // 'Save-Data: on'. |
| bool data_saver_enabled; |
| // Whether data saver holdback for Web APIs is enabled. If enabled, data saver |
| // appears as disabled to the web consumers even if it has been actually |
| // enabled by the user. |
| bool data_saver_holdback_web_api_enabled; |
| bool local_storage_enabled; |
| bool databases_enabled; |
| bool application_cache_enabled; |
| bool tabs_to_links; |
| bool history_entry_requires_user_gesture; |
| bool disable_ipc_flooding_protection; |
| bool hyperlink_auditing_enabled; |
| bool allow_universal_access_from_file_urls; |
| bool allow_file_access_from_file_urls; |
| bool webgl1_enabled; |
| bool webgl2_enabled; |
| bool pepper_3d_enabled; |
| bool flash_3d_enabled; |
| bool flash_stage3d_enabled; |
| bool flash_stage3d_baseline_enabled; |
| bool privileged_webgl_extensions_enabled; |
| bool webgl_errors_to_console_enabled; |
| bool mock_scrollbars_enabled; |
| bool hide_scrollbars; |
| bool accelerated_2d_canvas_enabled; |
| int minimum_accelerated_2d_canvas_size; |
| bool antialiased_2d_canvas_disabled; |
| bool antialiased_clips_2d_canvas_enabled; |
| int accelerated_2d_canvas_msaa_sample_count; |
| bool accelerated_filters_enabled; |
| bool deferred_filters_enabled; |
| bool container_culling_enabled; |
| bool allow_running_insecure_content; |
| // If true, taints all <canvas> elements, regardless of origin. |
| bool disable_reading_from_canvas; |
| // Strict mixed content checking disables both displaying and running insecure |
| // mixed content, and disables embedder notifications that such content was |
| // requested (thereby preventing user override). |
| bool strict_mixed_content_checking; |
| // Strict powerful feature restrictions block insecure usage of powerful |
| // features (like device orientation) that we haven't yet disabled for the web |
| // at large. |
| bool strict_powerful_feature_restrictions; |
| // TODO(jww): Remove when WebView no longer needs this exception. |
| bool allow_geolocation_on_insecure_origins; |
| // Disallow user opt-in for blockable mixed content. |
| bool strictly_block_blockable_mixed_content; |
| bool block_mixed_plugin_content; |
| bool password_echo_enabled; |
| bool should_print_backgrounds; |
| bool should_clear_document_background; |
| bool enable_scroll_animator; |
| bool prefers_reduced_motion; |
| bool touch_event_feature_detection_enabled; |
| bool touch_adjustment_enabled; |
| int pointer_events_max_touch_points; |
| int available_pointer_types; |
| ui::PointerType primary_pointer_type; |
| int available_hover_types; |
| ui::HoverType primary_hover_type; |
| bool barrel_button_for_drag_enabled = false; |
| bool sync_xhr_in_documents_enabled; |
| bool should_respect_image_orientation; |
| int number_of_cpu_cores; |
| EditingBehavior editing_behavior; |
| bool supports_multiple_windows; |
| bool viewport_enabled; |
| bool viewport_meta_enabled; |
| |
| // If true - Blink will clamp the minimum scale factor to the content width, |
| // preventing zoom beyond the visible content. This is really only needed if |
| // viewport_enabled is on. |
| bool shrinks_viewport_contents_to_fit; |
| |
| ViewportStyle viewport_style; |
| bool always_show_context_menu_on_touch; |
| bool smooth_scroll_for_find_enabled; |
| bool main_frame_resizes_are_orientation_changes; |
| bool initialize_at_minimum_page_scale; |
| bool smart_insert_delete_enabled; |
| bool spatial_navigation_enabled; |
| bool use_solid_color_scrollbars; |
| bool navigate_on_drag_drop; |
| blink::mojom::V8CacheOptions v8_cache_options; |
| bool record_whole_document; |
| |
| // This flags corresponds to a Page's Settings' setCookieEnabled state. It |
| // only controls whether or not the "document.cookie" field is properly |
| // connected to the backing store, for instance if you wanted to be able to |
| // define custom getters and setters from within a unique security content |
| // without raising a DOM security exception. |
| bool cookie_enabled; |
| |
| // This flag indicates whether H/W accelerated video decode is enabled. |
| // Defaults to false. |
| bool accelerated_video_decode_enabled; |
| |
| ImageAnimationPolicy animation_policy; |
| |
| bool user_gesture_required_for_presentation; |
| |
| // These fields specify the foreground and background color for WebVTT text |
| // tracks. Their values can be any legal CSS color descriptor. |
| std::string text_track_background_color; |
| std::string text_track_text_color; |
| |
| // These fields specify values for CSS properties used to style WebVTT text |
| // tracks. |
| // Specifies CSS font-size property in percentage. |
| std::string text_track_text_size; |
| std::string text_track_text_shadow; |
| std::string text_track_font_family; |
| // Specifies the value for CSS font-variant property. |
| std::string text_track_font_variant; |
| |
| // Specifies the margin for WebVTT text tracks as a percentage of media |
| // element height/width (for horizontal/vertical text respectively). |
| // Cues will not be placed in this margin area. |
| float text_track_margin_percentage; |
| |
| bool immersive_mode_enabled; |
| |
| bool double_tap_to_zoom_enabled; |
| |
| bool text_autosizing_enabled; |
| |
| // Representation of the Web App Manifest scope if any. |
| GURL web_app_scope; |
| |
| #if defined(OS_ANDROID) |
| float font_scale_factor; |
| float device_scale_adjustment; |
| bool force_enable_zoom; |
| bool fullscreen_supported; |
| GURL default_video_poster_url; |
| bool support_deprecated_target_density_dpi; |
| bool use_legacy_background_size_shorthand_behavior; |
| bool wide_viewport_quirk; |
| bool use_wide_viewport; |
| bool force_zero_layout_height; |
| bool viewport_meta_layout_size_quirk; |
| bool viewport_meta_merge_content_quirk; |
| bool viewport_meta_non_user_scalable_quirk; |
| bool viewport_meta_zero_values_quirk; |
| bool clobber_user_agent_initial_scale_quirk; |
| bool ignore_main_frame_overflow_hidden_quirk; |
| bool report_screen_size_in_physical_pixels_quirk; |
| // Used by Android_WebView only to support legacy apps that inject script into |
| // a top-level initial empty document and expect it to persist on navigation. |
| bool reuse_global_for_unowned_main_frame; |
| // Specifies default setting for spellcheck when the spellcheck attribute is |
| // not explicitly specified. |
| bool spellcheck_enabled_by_default; |
| // If enabled, when a video goes fullscreen, the orientation should be locked. |
| bool video_fullscreen_orientation_lock_enabled; |
| // If enabled, fullscreen should be entered/exited when the device is rotated |
| // to/from the orientation of the video. |
| bool video_rotate_to_fullscreen_enabled; |
| // If enabled, video fullscreen detection will be enabled. |
| bool video_fullscreen_detection_enabled; |
| bool embedded_media_experience_enabled; |
| // Enable 8 (#RRGGBBAA) and 4 (#RGBA) value hex colors in CSS Android |
| // WebView quirk (http://crbug.com/618472). |
| bool css_hex_alpha_color_enabled; |
| // Enable support for document.scrollingElement |
| // WebView sets this to false to retain old documentElement behaviour |
| // (http://crbug.com/761016). |
| bool scroll_top_left_interop_enabled; |
| // Enable forcibly modifying content rendering to result in a light on dark |
| // colour scheme. |
| bool force_dark_mode_enabled = false; |
| #else // defined(OS_ANDROID) |
| #endif // defined(OS_ANDROID) |
| |
| // Default (used if the page or UA doesn't override these) values for page |
| // scale limits. These are set directly on the WebView so there's no analogue |
| // in WebSettings. |
| float default_minimum_page_scale_factor; |
| float default_maximum_page_scale_factor; |
| |
| // Whether download UI should be hidden on this page. |
| bool hide_download_ui; |
| |
| // Whether it is a presentation receiver. |
| bool presentation_receiver; |
| |
| // If disabled, media controls should never be used. |
| bool media_controls_enabled; |
| |
| // Whether we want to disable updating selection on mutating selection range. |
| // This is to work around Samsung's email app issue. See |
| // https://crbug.com/699943 for details. |
| // TODO(changwan): remove this once we no longer support Android N. |
| bool do_not_update_selection_on_mutating_selection_range; |
| |
| // Defines the current autoplay policy. |
| AutoplayPolicy autoplay_policy; |
| |
| // The preferred color scheme for the web content. The scheme is used to |
| // evaluate the prefers-color-scheme media query and resolve UA color scheme |
| // to be used based on the supported-color-schemes META tag and CSS property. |
| blink::PreferredColorScheme preferred_color_scheme = |
| blink::PreferredColorScheme::kNoPreference; |
| |
| // Network quality threshold below which resources from iframes are assigned |
| // either kVeryLow or kVeryLow Blink priority. |
| net::EffectiveConnectionType low_priority_iframes_threshold; |
| |
| // Whether Picture-in-Picture is enabled. |
| bool picture_in_picture_enabled; |
| |
| // Whether a translate service is available. |
| // blink's hrefTranslate attribute existence relies on the result. |
| // See https://github.com/dtapuska/html-translate |
| bool translate_service_available; |
| |
| // A value other than net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN implies that the |
| // network quality estimate related Web APIs are in the holdback mode. When |
| // the holdback is enabled, the related Web APIs return network quality |
| // estimate corresponding to |network_quality_estimator_web_holdback| |
| // regardless of the actual quality. |
| net::EffectiveConnectionType network_quality_estimator_web_holdback; |
| |
| // Whether lazy loading of frames and images is enabled. |
| bool lazy_load_enabled = true; |
| |
| // Specifies how close a lazily loaded iframe or image should be from the |
| // viewport before it should start being loaded in, depending on the effective |
| // connection type of the current network. Blink will use the default distance |
| // threshold for effective connection types that aren't specified here. |
| std::map<net::EffectiveConnectionType, int> |
| lazy_frame_loading_distance_thresholds_px; |
| std::map<net::EffectiveConnectionType, int> |
| lazy_image_loading_distance_thresholds_px; |
| |
| // We try to keep the default values the same as the default values in |
| // chrome, except for the cases where it would require lots of extra work for |
| // the embedder to use the same default value. |
| WebPreferences(); |
| WebPreferences(const WebPreferences& other); |
| ~WebPreferences(); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_ |